Plugin Power Saver: Improve blocked tiny plugins behavior

components/plugins/renderer/loadable_plugin_placeholder.h

Index: components/plugins/renderer/loadable_plugin_placeholder.h
diff --git a/components/plugins/renderer/loadable_plugin_placeholder.h b/components/plugins/renderer/loadable_plugin_placeholder.h
index c46b7115bd8c864a799583a30a40bdc5014f7350..0d7d8d961ffbdff44f693f174361f3eb3fc4106a 100644
--- a/components/plugins/renderer/loadable_plugin_placeholder.h
+++ b/components/plugins/renderer/loadable_plugin_placeholder.h
@@ -21,7 +21,9 @@ namespace plugins {
 // (blocked or disabled).
 class LoadablePluginPlaceholder : public PluginPlaceholderBase {
  public:
-  void set_delayed(bool delayed) { is_delayed_placeholder_ = delayed; }
+  void set_blocked_for_tinyness(bool blocked_for_tinyness) {
+    is_blocked_for_tinyness_ = blocked_for_tinyness;
+  }
 
   void set_blocked_for_background_tab(bool blocked_for_background_tab) {
     is_blocked_for_background_tab_ = blocked_for_background_tab;
@@ -53,8 +55,6 @@ class LoadablePluginPlaceholder : public PluginPlaceholderBase {
 
   ~LoadablePluginPlaceholder() override;
 
-  void SetDelegate(std::unique_ptr<Delegate> delegate);
-
   void MarkPluginEssential(
       content::PluginInstanceThrottler::PowerSaverUnthrottleMethod method);
 
@@ -99,18 +99,16 @@ class LoadablePluginPlaceholder : public PluginPlaceholderBase {
   // Plugin creation is embedder-specific.
   virtual blink::WebPlugin* CreatePlugin() = 0;
 
-  // Handling of delayed behavior is embedder-specific.
-  virtual void OnLoadedRectUpdate(
-      const gfx::Rect& unobscured_rect,
-      content::RenderFrame::PeripheralContentStatus status) = 0;
+  // Embedder-specific behavior.
+  virtual void OnBlockedTinyContent() = 0;
 
   content::WebPluginInfo plugin_info_;
 
   base::string16 message_;
 
-  // True if this is a "delayed" placeholder - one that will make a decision
-  // on placeholder vs. plugin behavior once initial size has been determined.
-  bool is_delayed_placeholder_;
+  // True if the plugin load was deferred because this might be a tiny plugin.
+  // Plugin may be automatically loaded if it receives non-tiny geometry.
+  bool is_blocked_for_tinyness_;
 
   // True if the plugin load was deferred due to page being a background tab.
   // Plugin may be automatically loaded when the page is foregrounded.
@@ -140,8 +138,6 @@ class LoadablePluginPlaceholder : public PluginPlaceholderBase {
   // True if the power saver heuristic has already been run on this content.
   bool heuristic_run_before_;
 
-  std::unique_ptr<Delegate> delegate_;
-
   base::WeakPtrFactory<LoadablePluginPlaceholder> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LoadablePluginPlaceholder);